INFO: task syz-executor113:5844 blocked for more than 143 seconds.
Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor113 state:D stack:27712 pid:5844 tgid:5844 ppid:5842 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
filemap_invalidate_lock include/linux/fs.h:863 [inline]
blkdev_fallocate+0x1da/0x390 block/fops.c:813
vfs_fallocate+0x459/0xf90 fs/open.c:327
ksys_fallocate fs/open.c:351 [inline]
__do_sys_fallocate fs/open.c:356 [inline]
__se_sys_fallocate fs/open.c:354 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:354
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f10d9f07b29
RSP: 002b:00007fffdb739248 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10d9f07b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0010000001002000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdb739468 R14: 00007fffdb739270 R15: 00007fffdb739260
INFO: task syz-executor113:5847 blocked for more than 143 seconds.
Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor113 state:D stack:28368 pid:5847 tgid:5847 ppid:5845 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
filemap_invalidate_lock include/linux/fs.h:863 [inline]
blkdev_fallocate+0x1da/0x390 block/fops.c:813
vfs_fallocate+0x459/0xf90 fs/open.c:327
ksys_fallocate fs/open.c:351 [inline]
__do_sys_fallocate fs/open.c:356 [inline]
__se_sys_fallocate fs/open.c:354 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:354
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f10d9f07b29
RSP: 002b:00007fffdb739248 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10d9f07b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0010000001002000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdb739468 R14: 00007fffdb739270 R15: 00007fffdb739260
INFO: task syz-executor113:5848 blocked for more than 143 seconds.
Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor113 state:D stack:28368 pid:5848 tgid:5848 ppid:5846 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
filemap_invalidate_lock include/linux/fs.h:863 [inline]
blkdev_fallocate+0x1da/0x390 block/fops.c:813
vfs_fallocate+0x459/0xf90 fs/open.c:327
ksys_fallocate fs/open.c:351 [inline]
__do_sys_fallocate fs/open.c:356 [inline]
__se_sys_fallocate fs/open.c:354 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:354
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f10d9f07b29
RSP: 002b:00007fffdb739248 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10d9f07b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0010000001002000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdb739468 R14: 00007fffdb739270 R15: 00007fffdb739260
Showing all locks held in the system:
1 lock held by ksoftirqd/0/16:
1 lock held by khungtaskd/30:
#0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
1 lock held by klogd/5179:
2 locks held by getty/5570:
#0: ffff88823be780a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
2 locks held by syz-executor113/5843:
1 lock held by syz-executor113/5844:
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1da/0x390 block/fops.c:813
1 lock held by syz-executor113/5847:
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1da/0x390 block/fops.c:813
1 lock held by syz-executor113/5848:
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1da/0x390 block/fops.c:813
1 lock held by syz-executor113/5855:
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff888148cdabc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1da/0x390 block/fops.c:813
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xf14/0x1240 kernel/hung_task.c:397
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:hlock_class+0x58/0x130 kernel/locking/lockdep.c:240
Code: 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 c0 1c e5 96 e8 f2 f7 86 00 48 0f a3 1d 7a 4b 6f 15 73 13 <48> 69 c3 c8 00 00 00 5b 48 05 e0 20 e5 96 c3 cc cc cc cc 48 c7 c0
RSP: 0018:ffffc90000ab77d0 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 00000000000000cb RCX: ffffffff8175d13e
RDX: fffffbfff2dca39c RSI: 0000000000000008 RDI: ffffffff96e51cd8
RBP: ffffc90000ab7918 R08: 0000000000000000 R09: fffffbfff2dca39b
R10: ffffffff96e51cdf R11: 0000000000000006 R12: ffff88801dada440
R13: 0000000000000040 R14: 0000000000000006 R15: 1ffff92000156f02
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8f1d19b580 CR3: 000000000df7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4727
mark_held_locks+0x9f/0xe0 kernel/locking/lockdep.c:4321
__trace_hardirqs_on_caller kernel/locking/lockdep.c:4347 [inline]
lockdep_hardirqs_on_prepare+0x27a/0x420 kernel/locking/lockdep.c:4406
trace_hardirqs_on+0x36/0x40 kernel/trace/trace_preemptirq.c:78
__text_poke+0x8d5/0xca0 arch/x86/kernel/alternative.c:1988
text_poke_bp_batch+0x3e0/0x760 arch/x86/kernel/alternative.c:2346
text_poke_flush arch/x86/kernel/alternative.c:2515 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2512 [inline]
text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2522
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240
static_key_disable+0x1a/0x20 kernel/jump_label.c:248
toggle_allocation_gate mm/kfence/core.c:854 [inline]
toggle_allocation_gate+0x147/0x260 mm/kfence/core.c:841
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.164 msecs